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Atomic Clock Phenomena in Collisions of Very Heavy Ions

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Physics of Strong Fields

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Abstract

Peculiar properties of electron and positron states in superheavy systems may be utilized to deduce informations on the time-scale of nuclear reactions1–17,64–66. One major subject of this report deals with spectra of electrons which are emitted during heavy-ion collisions, traditionally denoted as δ-electrons. The slope in the kinetic energy distribution of ejected δ-electrons provides a finger-print of the occuring nuclear delay and deceleration times 3,5,64,65 of the underlying deep-inelastic collisions on the time scale of 10-21 s. Theoretical expectations will be confronted with experimental observations14–17. In addition a theoretical scaling law12 is derived which may serve as a tool to determine the nuclear stopping time in intermediate-energy collisions. Furthermore we investigate the influence of a time delay caused by a nuclear reaction on the production yield of K-shell vacancies 4,6,10,16,17 and on the quasimolecular X-ray spectrum7,8,18 in superheavy collision systems. Finally we analyze the advantages of positron production in crossed beams of completely stripped ions.

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Authors and Affiliations

  1. Institut für Theoretische Physik, Johann Wolfgang Goethe-Universität, D-6000, Frankfurt am Main, West Germany

    G. Soff, T. de Reus, U. Müller, J. Reinhardt, B. Müller & W. Greiner

  2. Gesellschaft für Schwerionenforschung (GSI), Planckstraße 1, Postfach 110 541, D-6100, Darmstadt, West Germany

    G. Soff, T. de Reus, U. Müller, J. Reinhardt, B. Müller & W. Greiner

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  1. G. Soff
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  2. T. de Reus
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  3. U. Müller
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  4. J. Reinhardt
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  5. B. Müller
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  1. Johann Wolfgang Goethe University, Frankfurt am Main, Federal Republic of Germany

    Walter Greiner

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Soff, G., de Reus, T., Müller, U., Reinhardt, J., Müller, B., Greiner, W. (1987). Atomic Clock Phenomena in Collisions of Very Heavy Ions. In: Greiner, W. (eds) Physics of Strong Fields. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-1889-7_5

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  • DOI: https://doi.org/10.1007/978-1-4613-1889-7_5

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